The "Advent Calendar for Geeks" is a perfect present for your nerdy friends.

The "Advent Calendar for Geeks" is a perfect present for your nerdy friends. It has some awesome features like:

- looks really nerdy
- you just need to buy the parts, your nerdy friend has the fun making it
- 24 different switching stats
- no glue, no soldering
- all parts are re-usable
- easy to make
- including batterie!